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+# frozen_string_literal: true
+
+# This configuration file will be evaluated by Puma. The top-level methods that
+# are invoked here are part of Puma's configuration DSL. For more information
+# about methods provided by the DSL, see https://puma.io/puma/Puma/DSL.html.
+
+# Puma can serve each request in a thread from an internal thread pool.
+# The `threads` method setting takes two numbers: a minimum and maximum.
+# Any libraries that use thread pools should be configured to match
+# the maximum value specified for Puma. Default is set to 5 threads for minimum
+# and maximum; this matches the default thread size of Active Record.
+max_threads_count = ENV.fetch('RAILS_MAX_THREADS', 5)
+min_threads_count = ENV.fetch('RAILS_MIN_THREADS') { max_threads_count }
+threads min_threads_count, max_threads_count
+
+# Specifies that the worker count should equal the number of processors in production.
+if ENV['RAILS_ENV'] == 'production'
+  require 'concurrent-ruby'
+  worker_count = Integer(ENV.fetch('WEB_CONCURRENCY') { Concurrent.physical_processor_count })
+  workers worker_count if worker_count > 1
+end
+
+# Specifies the `worker_timeout` threshold that Puma will use to wait before
+# terminating a worker in development environments.
+worker_timeout 3600 if ENV.fetch('RAILS_ENV', 'development') == 'development'
+
+# Specifies the `port` that Puma will listen on to receive requests; default is 3000.
+port ENV.fetch('PORT', 3000)
+
+# Specifies the `environment` that Puma will run in.
+environment ENV.fetch('RAILS_ENV', 'development')
+
+# Specifies the `pidfile` that Puma will use.
+pidfile ENV.fetch('PIDFILE', 'tmp/pids/server.pid')
+
+# Allow puma to be restarted by `bin/rails restart` command.
+plugin :tmp_restart